Deep vein thrombosis (DVT) is one of the causes of maternal morbidity and mortality. Its Incidence is about 1 per 1000 deliveries, of which 1-2% are fatal.1 In pregnancy, the risk of DVT increases by 5-10 times and in caesarian section the risk further increases by 5-10 folds. The risk is highest during labor and in the immediate postpartum period.1,2 In the post-partum period the risk of DVT is ve times greater than during pregnancy.3
The risk of DVT is between 0.5 and 3.0 per 1,000 women during pregnancy. Due to the prevalence and severity of DVT pregnant women at risk should be offered anticoagulant therapy. Hyper-coagulable state in pregnancy is due to changes in the coagulation system. About 50% of